在正态曲线下，小于μ-2.58σ包含的面积为（）
A.0.5%
B.0.05%
C.1%
D.99%
E.99.5%
参考答案：A
在保护模式下，每个MS-DOS虚拟机的逻辑地址空间为()。
A．1MB
B．4MB
C．2GB
D．4GB
The news in the paper wasn't ____ , so not everyone was____. [ ]
A. convinced; convinced
B. convincing; convincing
C. convinced; convincing
D. convincing; convinced
